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[구조강도부문] 비선형 유한 요소 해석을 통한 스트러트 어셈블리의 최적 결합 조건 예측
김영률(Y.R.Kim),김동준(D.C.Kim),지성준(S.J.Jhee) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
A set of numerical simulations on one of strut assembly's manufacturing process, caulking, was conducted in this work using a commercial finite element code, ABAQUS. A complex contact problem was modeled to simulate the actual caulking process. The advanced master/slave criterion was adapted to solve a discontinuous non-linear contact problem. Modeling of strut assembly was simplified by using 2-dimensional axisymmetric model. Accuracy of the finite element simulation results was verified quantatively by comparing with experimental data. Series of simulations was performed throughout this work to achieve maximum axial load on the tube cylinder by varying process variables such as pre-load and caulking force The methodology presented in this work provides a practical way to automobile component manufacturers to avoid expensive trial and error runs of an initial setup for the production of strut assembly as well as to optimize production process